21-letter words containing h, e, d
- lost in the underflow — (jargon) Too small to be worth considering; more specifically, small beyond the limits of accuracy or measurement. This is a reference to "floating point underflow". The Hacker's Jargon File claimed that it is also a pun on "undertow" (a kind of fast, cold current that sometimes runs just offshore and can be dangerous to swimmers). "Well, sure, photon pressure from the stadium lights alters the path of a thrown baseball, but that effect gets lost in the underflow". Compare epsilon, epsilon squared; see also overflow bit.
- lotus of the good law — Saddharma-Pundarika.
- maidenhair spleenwort — an evergreen fern, Asplenium trichomanes, abundant in woody areas of the North Temperate Zone, having thickly clustered fronds.
- maître d'hôtel butter — melted butter mixed with parsley and lemon juice
- majority shareholding — a holding of more than half a company's shares
- make (both) ends meet — to manage to keep one's expenses within one's income
- maryland yellowthroat — (in former systems of nomenclature) the common yellowthroat, Geothlypis trichas, especially the eastern U.S. subspecies.
- mauvais quart d'heure — a brief unpleasant experience
- mechanical solidarity — social cohesiveness that is based on shared activities, beliefs, and experiences and is characteristic of simple traditional societies.
- medium dry white wine — Medium dry white wine is white wine that is not very sweet.
- member of the wedding — a novel (1946) and play (1950) by Carson McCullers.
- metopon hydrochloride — a narcotic drug, C18H21O3N·HCl, derived from morphine, but slightly more potent: used in medicine to relieve pain
- modern apprenticeship — an arrangement that allows a school leaver to gain vocational qualifications while being trained in a job
- mohammed reza pahlavi — 1919-80; shah of Iran (1941-79); deposed
- monochloroacetic acid — chloroacetic acid.
- mother-of-pearl cloud — nacreous cloud.
- motherwell and wishaw — a burgh in the Motherwell district, in S Scotland.
- move heaven and earth — the abode of God, the angels, and the spirits of the righteous after death; the place or state of existence of the blessed after the mortal life.
- mucopolysaccharidoses — Plural form of mucopolysaccharidosis.
- munchausen's syndrome — a mental disorder in which a patient feigns illness to obtain hospital treatment
- near-death experience — A near-death experience is a strange experience that some people who have nearly died say they had when they were unconscious.
- neither hide nor hair — nothing whatsoever
- northumberland strait — the part of the Gulf of St. Lawrence that separates Prince Edward Island from New Brunswick and Nova Scotia, in SE Canada. About 200 miles (320 km) long; 9–30 miles (15–48 km) wide.
- not hold one's breath — If you say that you won't hold your breath, you mean that you do not expect something to happen even though someone has suggested that it might.
- of time and the river — a novel (1935) by Thomas Wolfe.
- old spanish practices — irregular practices among a group of workers to gain increased financial allowances, reduced working hours, etc
- one thing and another — You can use the expression 'one thing and another' to suggest that there are several reasons for something or several items on a list, but you are not going to explain or mention them all.
- ortho-dichlorobenzene — a colorless liquid with a pleasant odor, C 6 H 4 Cl 2 , used as a solvent for a wide range of organic materials.
- overhead-valve engine — I-head engine.
- pacific daylight time — the version of Pacific Standard Time that is in use when daylight saving time is being observed
- pass the hat (around) — In British English, if you pass the hat around, you collect money from a group of people, for example in order to give someone a present. In American English, you just say pass the hat.
- pathfinder prospectus — a prospectus regarding the flotation of a new company that contains only sufficient details to test the market reaction
- pentamethylenediamine — cadaverine.
- phenarsazine chloride — adamsite.
- philadelphia scrapple — a superior variety of scrapple made with pork shoulder and other cuts of pork rather than with pork scraps.
- phillips screw-driver — a screw head having two partial slots crossed at right angles, driven by a special screwdriver (Phillips screwdriver)
- physically challenged — See example at challenged (def 1).
- pipelined burst cache — Pipeline Burst Cache
- play with a full deck — Nautical. a floorlike surface wholly or partially occupying one level of a hull, superstructure, or deckhouse, generally cambered, and often serving as a member for strengthening the structure of a vessel. the space between such a surface and the next such surface above: Our stateroom was on B deck.
- ploughman's spikenard — a European plant, Inula conyza, with tubular yellowish flower heads surrounded by purple bracts: family Asteraceae (composites)
- populist shop steward — a shop steward who operates in a delegate role, putting the immediate interests of his members before union principles and policies
- potassium diphosphate — any of the three orthophosphates of potassium ((potassium monophosphate) (K 2 HPO 4), (potassium diphosphate) (KH 2 PO 4), and (tripotassium phosphate) (K 3 PO 4) )
- privacy enhanced mail —
- programmed cell death — a normal, genetically regulated process leading to the death of cells and triggered by the presence or absence of certain stimuli, as DNA damage.
- prone pressure method — a method of artificial respiration in which the patient is placed face downward, pressure then being rhythmically applied with the hands to the lower part of the thorax.
- propantheline bromide — a substance, C 2 3 H 3 0 BrNO 3 , used in the treatment of peptic ulcers.
- pseudohermaphroditism — an individual having internal reproductive organs of one sex and external sexual characteristics resembling those of the other sex or being ambiguous in nature. Compare hermaphrodite (def 1).
- psychopathic disorder — (in England, according to the Mental Health Act 1983) a persistent disorder or disability of mind which results in abnormally aggressive or seriously irresponsible conduct on the part of the person concerned
- purchasing department — the group of staff within an organization that is responsible for buying goods or products
- purple-fringed orchid — either of two orchids, Habenaria fimbriata or H. psycodes, of eastern North America, having a cluster of fragrant purple flowers with a fringed lip.